ライフサイエンスコーパス: CT angiography

1 s (59 [74%] at initial and 21 [26%] at later CT angiography).

2 C = 137.4; values were lowest for multiphase CT angiography).

3 e compared with expert placement on coronary CT angiography.

4 rwent (18)F-NaF PET and prospective coronary CT angiography.

5 computed tomography (CT); 755 also underwent CT angiography.

6 uated 60 patients after ischemic stroke with CT angiography.

7 ided by the extracted coronary arteries from CT angiography.

8 eferred for evaluation of suspected PAD with CT angiography.

9 tic imaging was performed, including MRI and CT angiography.

10 neural network to detect LVOs at multiphase CT angiography.

11 onal diagnostic testing than triple-rule-out CT angiography.

12 ultrasound, the diagnosis was established in CT angiography.

13 lateral filling, as determined by multiphase CT angiography.

14 had noncontrast CT, of whom 759 had coronary CT angiography.

15 ft coronary plaque as assessed with coronary CT angiography.

16 diagnosis of cerebral circulatory arrest in CT angiography.

17 or calcified plaque; or stenosis on coronary CT angiography.

18 the continued refinement and advancement of CT angiography.

19 of diabetes, 10.4 years) underwent coronary CT angiography.

20 alization status was determined at follow-up CT angiography.

21 tate of the art whole brain perfusion CT and CT angiography.

22 -enhanced single-source dual-energy coronary CT angiography.

23 s, phase 2; and late venous, phase 3) of the CT angiography.

24 was observed for diagnosing carotid webs at CT angiography.

25 tions was evaluated at computed tomographic (CT) angiography.

26 ) imaging and coronary computed tomographic (CT) angiography.

27 tandardized multiphase computed tomographic (CT) angiography.

28 dding iodine maps (subtraction CT [0.093] vs CT angiography [0.088], P = .03; dual-energy CT [0.094]

29 From CT angiography, 153 arteries were evaluated by semiautom

30 tion and underwent in vivo contrast-enhanced CT angiography, (18)F-fluoride PET, and serial echocardi

31 was lower between those who either underwent CT angiography (2.0% compared with 4.7%; p = 0.0017) or

32 or carotid CT angiography (-36.4%), coronary CT angiography (-25.1%), and head CT (-23.9%).

33 aranasal sinus (-39.6%), cerebral or carotid CT angiography (-36.4%), coronary CT angiography (-25.1%

34 FFR (55%) than with coronary triple-rule-out CT angiography (47%) (P = .23).

35 temporal bone CT (-56.1%), peripheral runoff CT angiography (-48.6%), CT of the paranasal sinus (-39.

36 Of the 3665 patients referred for coronary CT angiography, 591 (16%) had PNs requiring follow-up.

37 95% confidence intervals [CIs]: 67%, 89% for CT angiography; 72%, 91% for dual-energy CT; 70%, 91% fo

38 icity and accuracy compared with SR coronary CT angiography (91% and 98% vs 46% and 92%, respectively

39 subtraction CT (95% CI: 100%, 100%) than for CT angiography (95% CI: 89%, 97%) or dual-energy CT (95%

40 and accuracy in comparison with SR coronary CT angiography (98%, 91%, and 99% vs 95%, 80%, and 95%,

41 onservative management of SCAD make coronary CT angiography a useful noninvasive imaging modality for

42 Single-phase CT angiography achieved an AUC of 0.74 (95% confidence i

43 Personalized multiphasic coronary CT angiography acquisitions could be performed with diag

44 urring and partial volume effects of routine CT angiography acquisitions to produce accurate quantifi

45 Patients underwent coronary CT angiography after single or serial troponin I (TnI) m

46 CT iodine maps had greater specificity than CT angiography alone in pulmonary embolism detection.

47 the presence of PE using three types of CT: CT angiography alone, dual-energy CT, and subtraction CT

48 Quantitative cardiac CT angiography analysis was performed in all patients (f

49 ndard deviation]; seven women) who underwent CT angiography and 32 propensity score-matched control p

50 risk plaque features assessed with coronary CT angiography and biochemical measures.

51 Use of CT angiography and endovascular treatment in the same ce

52 A total of 239 cross sections obtained with CT angiography and histologic examination were matched.

53 To evaluate the incremental value of cardiac CT angiography and hsTnT for the prediction of cardiovas

54 calcified plaques compared with SR coronary CT angiography and ICA (83% vs 53%, P < .001).

55 tomic assessment provided with both coronary CT angiography and ICA has poor discriminatory power for

56 ference in health benefits compared with the CT angiography and immediate thrombectomy strategy was 0

57 ssessed coronary arteries with multidetector CT angiography and invasive conventional angiography.

58 intigraphy, transcranial Doppler sonography, CT angiography and MR angiography are used.

59 etter than that of models using single-phase CT angiography and perfusion CT (P < .05 overall).

60 are better than models that use single-phase CT angiography and perfusion CT for a decrease of 50% or

61 acquired in 5 swine (40+/-10 kg) to generate CT angiography and perfusion images.

62 CT angiography and TAE represent the methods of choice f

63 D), and diagnostic accuracy were assessed at CT angiography and were compared with those attained wit

64 cted of having atherosclerosis who underwent CT angiography and were referred for endarterectomy were

65 features from coronary computed tomography (CT) angiography and coronary vascular dysfunction by imp

66 echnique that combines computed tomographic (CT) angiography and dynamic CT perfusion measurement int

67 nt 64-section coronary computed tomographic (CT) angiography and who provided informed consent were p

68 C = 171.7; values were lowest for multiphase CT angiography) and a 90-day mRS score of 0-2 (AIC = 132

69 unified prespecified imaging evaluation (CT, CT angiography, and CTP with Rapid Processing of Perfusi

70 onary artery calcium (CAC) scoring, coronary CT angiography, and MRI of the carotid arteries.

71 ween single-phase CT angiography, multiphase CT angiography, and perfusion CT by using receiver opera

72 angiography of the head and neck, multiphase CT angiography, and perfusion CT.

73 iography-derived computational FFR, coronary CT angiography, and quantitative coronary angiography we

74 ing comprised baseline CT, CT perfusion, and CT angiography; and CT plus CT angiography at 24-48 h.

75 With AIC and BIC, models that use multiphase CT angiography are better than models that use single-ph

76 s such as echocardiography and cardiac CT or CT angiography are the first-line modalities for clinica

77 Patients randomized to the coronary CT angiography arm of the Rule Out Myocardial Infarction

78 marker of myocardial microinjury and cardiac CT angiography as a marker of the total atherosclerotic

79 supportive evidence for the use of coronary CT angiography as the first-line test for the evaluation

80 s interpreted coronary computed tomographic (CT) angiography as part of the clinical evaluation of st

81 T perfusion, and CT angiography; and CT plus CT angiography at 24-48 h.

82 d-generation high-pitch coronary dual-source CT angiography at 70 kV results in robust image quality

83 er, 46 +/- 3 mm) underwent (18)F-FDG PET and CT angiography at baseline and 9 mo later.

84 cium (CAC) CT and contrast-enhanced coronary CT angiography at baseline and after 13 months of follow

85 putational FFR (AUC, 0.83) than for coronary CT angiography (AUC, 0.64).

86 udy with SR (n = 91) or HR (n = 93) coronary CT angiography before they underwent ICA.

87 t a central core laboratory also interpreted CT angiography blinded to clinical data, site interpreta

88 onclusion Among women who underwent coronary CT angiography, breast shielding had no effect on DNA do

89 used to detect pulmonary embolism (PE) with CT angiography but require dedicated hardware.

90 Conclusion Multiphase CT angiography can help differentiate among different fo

91 Coronary computed tomography (CT) angiography, cardiac stress magnetic resonance imagi

92 ed low-attenuation plaque burden on coronary CT angiography (CCTA) might be a better predictor of the

93 ates and the Netherlands began with coronary CT angiography, continued with cardiac stress imaging if

94 CT angiography correctly classified 15 of the 16 cases o

95 ined with conventional computed tomographic (CT) angiography could be quantitated at higher levels of

96 of the abdominal aortic aneurysm sack using CT angiography (CTA) after successful treatment using en

97 were clinically diagnosed as BD and had both CT angiography (CTA) and CTP imaging in the same session

98 CT angiography (CTA) and SPECT myocardial perfusion imag

99 or which a RH computed tomography (CT) and a CT angiography (CTA) at arrival were available for revie

100 EVAR) relies on manual review of multi-slice CT angiography (CTA) by physicians which is a tedious an

101 s-only (SO) imaging is comparable to cardiac CT angiography (CTA) for evaluating patients with acute

102 the patients and radiation doses in coronary CT angiography (CTA) obtained by using high-pitch prospe

103 It is best demonstrated and diagnosed on CT angiography (CTA) of the neck because of its ability

104 ital between 1990 and 2016 who had available CT angiography (CTA) or digital subtraction angiography

105 ive anterior circulation stroke confirmed on CT angiography (CTA).

106 standard-protocol invasive FFR and coronary CT angiography (CTA).

107 ional morphological parameters obtained from CT-angiography (CTA) or digital subtraction angiography

108 orithm, computation of the FFR from coronary CT angiography data can be performed locally, at a regul

109 From coronary CT angiography data in 106 patients, FFR was computed at

110 AI-based CT FFR from triple-rule-out CT angiography data sets was retrospectively obtained in

111 CT FFR and triple-rule-out CT angiography demonstrated agreement in severity of cor

112 CT angiography demonstrated stenosis of the SVC surround

113 Traditional arteriography failed and CT-angiography demonstrated the site of bleeding in 3 of

114 The diagnostic accuracy of coronary CT angiography-derived computational FFR for the detecti

115 The diagnostic characteristics of coronary CT angiography-derived computational FFR, coronary CT an

116 ne stress perfusion cardiac MRI and coronary CT angiography-derived fractional flow reserve from real

117 group analysis for any occlusion at baseline CT angiography did not demonstrate significant differenc

118 In 8 patients with head-and-neck bleeding CT-angiography did not prove beneficial when compared to

119 Ultra-low contrast intraarterial CT-angiography does not deteriorate the function of tran

120 With use of the delayed enhanced phase of CT angiography, ECV measurement is an accurate indicator

121 THODS AND In the long-term CONFIRM (Coronary CT Angiography Evaluation For Clinical Outcomes: An Inte

122 AD, from the international CONFIRM (COronary CT Angiography EvaluatioN For Clinical Outcomes: An Inte

123 silateral ICA nonattenuation at single-phase CT angiography, even specialized radiologists may not re

124 dose was less than 0.5 mSv for 23 of the 107 CT angiography examinations (21.5%), less than 1 mSv for

125 etrospective study evaluated 540 adults with CT angiography examinations for suspected acute ischemic

126 oted an increase in positive lower-extremity CT angiography examinations in patients who presented wi

127 Preprocessing of the CT angiography examinations included vasculature segment

128 hanced by using delayed phases at multiphase CT angiography examinations.

129 FFR derived from standard coronary CT angiography (FFRCT) data sets by using any of several

130 otid arteries and the Doppler sonography and CT angiography findings of the left common carotid arter

131 Coronary CT angiography findings were as follows: A total of 196

132 Subsequent care was determined with CT angiography findings: Patients without plaque and pat

133 CT angiography followed by best medical management with

134 younger patients ($68 950 difference between CT angiography followed by immediate thrombectomy and no

135 Results Base-case calculation showed that CT angiography followed by immediate thrombectomy had th

136 LVO after intravenous thrombolysis, and (c) CT angiography for all and best medical management (incl

137 lar imaging and best medical management, (b) CT angiography for all patients and immediate thrombecto

138 lly detected in patients undergoing coronary CT angiography for chest pain evaluation is associated w

139 ve and positive predictive values of cardiac CT angiography for detection of CAV with any degree of s

140 radiation dose reduction applied to clinical CT angiography for face transplant planning suggests tha

141 tion CT versus dual-energy CT iodine maps to CT angiography for PE detection.

142 ibility of personalized multiphasic coronary CT angiography for pediatric patients.

143 304 consecutive patients undergoing coronary CT angiography for suspected CAD.

144 Patients who had undergone 4D CT angiography for the suspicion of acute ischemic strok

145 lumen stenosis of 50% or greater at coronary CT angiography, for which sensitivity was 81.3% (95% CI:

146 heter-based coronary angiography if coronary CT angiography found only moderate CAD or stress imaging

147 This review recounts the evolution of CT angiography from its development and early challenges

148 evaluation, arterial phase ECG-synchronized CT angiography from the skull base to the pubis symphysi

149 evaluation, arterial phase ECG-synchronized CT angiography from the skull base to the pubis symphysi

150 erial phase electrocardiography-synchronized CT angiography from the skull base to the pubis symphysi

151 erial phase electrocardiography-synchronized CT angiography from the skull base to the pubis symphysi

152 erial phase electrocardiography-synchronized CT angiography from the skull base to the pubis symphysi

153 ts undergoing coronary computed tomographic (CT) angiography from 12 centers, 5262 patients without k

154 Multiphase CT angiography generates time-resolved images of pial ar

155 n group (11.9%; 95% CI: 8%, 19%) than in the CT angiography group (4.3% [95% CI: 2%, 9%]; difference,

156 occurred in nine of 161 participants in the CT angiography group (5.6%; 95% CI: 3%, 10%) and in 21 o

157 Baseline eGFR did not differ between the CT angiography group (84.3 mL/min/1.73 m(2) +/- 17.2) an

158 FR (<= 0.80) and stenosis at triple-rule-out CT angiography (>= 50%), as well as downstream cardiac d

159 Use of a CT angiography-guided strategy to investigate patients w

160 At the patient level, cardiac CT angiography had an area under the receiver operating

161 Patients with CT angiography had shorter emergency department to reper

162 Cardiac CT angiography has become an important tool for the diag

163 CT angiography has high diagnostic accuracy in patients

164 CT angiography has recently attracted attention as a pro

165 Coronary computed tomographic (CT) angiography has emerged as a noninvasive method for

166 CT and CT angiography - hypoplasia of the right lung with no vi

167 intracranial and cervicocranial arteries, by CT angiography if MR angiography was contraindicated, an

168 protocol included a calcium scan followed by CT angiography if the Agatston calcium score was between

169 Readers assessed coronary CT angiography images for the presence of coronary plaqu

170 der to achieve this aim, the cranio-cervical CT angiography images of patients who were referred to o

171 adiology fellows, independently reviewed the CT angiography images to assess whether there was true c

172 ardial coronary artery tree, determined with CT angiography in 120 subjects (89 patients with metabol

173 with noncalcified plaque burden at coronary CT angiography in asymptomatic individuals with low-to-m

174 RESCENT trial (Calcium Imaging and Selective CT Angiography in Comparison to Functional Testing for S

175 producibility, suggesting a role of coronary CT angiography in monitoring coronary artery plaque resp

176 viously diagnosed TOF patients who underwent CT angiography in our department.

177 on Screening for large-vessel occlusion with CT angiography in patients with acute minor stroke is co

178 ents with atrial fibrillation and to compare CT angiography in patients with atrial fibrillation with

179 The cost-effectiveness of CT angiography in patients with minor stroke (National I

180 Purpose To evaluate cost-effectiveness of CT angiography in the detection of large-vessel occlusio

181 eport, we discuss and illustrate the role of CT angiography in the evaluation of acute, active gastro

182 mon after cardiac catheterization than after CT angiography in this prospective randomized study of p

183 Patients underwent multiphase CT angiography in three automated phases after injection

184 e symptomatic patients referred for coronary CT angiography in whom incidentally detected PNs warrant

185 The use of coronary computed tomography (CT) angiography in children with coronary artery anomali

186 asculature at coronary computed tomographic (CT) angiography in relationship to cardiovascular risk f

187 (CT-LeSc) was developed to quantify coronary CT angiography information about atherosclerotic burden

188 resence of hypodense veins in the monophasic CT angiography ipsilateral to the arterial occlusion.

189 Coronary CT angiography is a cost-effective triage test for 60-ye

190 CT angiography is a fast and effective examination in te

191 CT angiography is a non-invasive modality for diagnosis

192 Multiphase CT angiography is a reliable tool for imaging selection

193 CT angiography is an excellent imaging modality, which p

194 are presented as contrasting examples of how CT angiography is changing our approach to cardiovascula

195 Interrater reliability for multiphase CT angiography is excellent (n = 30, kappa = 0.81, P < .

196 n correction of gated (18)F-NaF PET/coronary CT angiography is feasible, reduces image noise, and inc

197 CT angiography is highly sensitive in the characterizati

198 However, CT angiography is less sensitive in detecting intranidal

199 In such cases, immediate CT angiography is useful in establishing diagnosis and i

200 Computed tomographic (CT) angiography is an important tool for the evaluation

201 Computed tomographic (CT) angiography is increasingly used for peri-interventi

202 Intraarterial CT-angiography is useful for detection of the bleeding s

203 High volume of intravenous contrast in CT-angiography may result in contrast-induced nephropath

204 l outcomes was compared between single-phase CT angiography, multiphase CT angiography, and perfusion

205 enosis of 50% and greater at triple-rule-out CT angiography (odds ratio, 3.4; 95% confidence interval

206 were seen with HR compared with SR coronary CT angiography of calcified coronary artery lesions, sug

207 The sinograms from 320-detector row CT angiography of four clinical candidates for face tran

208 Purpose To compare contrast opacification in CT angiography of the aorta between a cohort with fixed

209 sible and yield diagnostic image quality for CT angiography of the aorta.

210 nd provides uniform contrast attenuation for CT angiography of the aorta.

211 derwent baseline unenhanced CT, single-phase CT angiography of the head and neck, multiphase CT angio

212 coronavirus 2 (SARS-CoV-2) and who underwent CT angiography of the lower extremities and 32 patients

213 use of a recent major vascular intervention, CT angiography of the neck was urgently performed.

214 tracranial MR angiography and multi-detector CT angiography of the supraaortic arteries.

215 phantom were used to design CM protocols for CT angiography of the thoracoabdominal aorta in 129 cons

216 his prospective study (January-August 2018), CT angiography of the thoracoabdominal aorta with bolus

217 in patients undergoing computed tomographic (CT) angiography of the aorta.

218 mur), knee, ankle, and computed tomographic (CT) angiography of the lower extremities.

219 hy-gated multidetector computed tomographic (CT) angiography of the thoracic aorta and to evaluate wh

220 DCT-examinations (unenhanced-chest CT [TNC], CT-angiography of chest and abdomen [CTA-Chest, CTA-Abdo

221 e hundred and thirty-four patients underwent CT-angiography of intracranial vessels.

222 ronary artery anomalies underwent a coronary CT angiography on a wide detector single-source CT equip

223 stenoses of at least 50% underwent coronary CT angiography (one stenosis in 13 patients, two stenose

224 f 656 subjects, 306 (47%) underwent baseline CT angiography or magnetic resonance angiography.

225 y Opacification and Heart Rhythm in Coronary CT Angiography, or IsoCOR, trial.

226 ificant improvement relative to single-phase CT angiography (P = .01).

227 [0.088], P = .03; dual-energy CT [0.094] vs CT angiography, P = .01; dual-energy CT vs subtraction C

228 They underwent ICA and coronary CT angiography performed with a whole-heart CT scanner.

229 )/computed tomography (CT) and (18)F-FDG PET/CT angiography (PET/CTA) was evaluated in this complex s

230 iffered significantly in between the dynamic CT angiography phases (minimum, seven endoleaks at 2 sec

231 CT angiography protocols than for the 70-kV CT angiography protocol.

232 no significant differences between the three CT angiography protocols (median score, 5; P > .05).

233 .0001), respectively, for the 80- and 100-kV CT angiography protocols than for the 70-kV CT angiograp

234 At baseline CT angiography, proximal occlusions (n = 220) demonstrat

235 A contrast material-enhanced CT angiography pulmonary embolism protocol and cardiac M

236 A contrast material-enhanced CT angiography pulmonary embolism protocol and cardiac M

237 Twenty of these subjects underwent coronary CT angiography repeated on a separate day with the same

238 0.0014, and 0.047 for hip, knee, ankle, and CT angiography, respectively, while in the case of the a

239 CT angiography revealed a large partially calcified pseu

240 CT angiography revealed a single bronchial artery aneury

241 CT angiography revealed a wide-mouth large aneurysm aris

242 Analysis of CT angiography revealed collateralization at 4 weeks wit

243 Dynamic CT angiography revealed that the peak enhancement of end

244 +/- 10 MBq (mean +/- SD) and then a coronary CT angiography scan.

245 t combined rest-stress (13)N-ammonia PET and CT angiography scans by hybrid PET/CT.

246 Results Baseline and repeat coronary CT angiography scans were acquired within 19 days +/- 6.

247 pre-embolization assessment of bleeding with CT angiography shortens the total diagnostic time, which

248 CT angiography should supplement DSA as preliminary Imag

249 Moreover, HR coronary CT angiography showed a better agreement with ICA for ca

250 HR coronary CT angiography showed a higher image quality score (3.7

251 In a segment-based analysis, HR coronary CT angiography showed a higher specificity, positive pre

252 In a patient-based analysis, HR coronary CT angiography showed higher specificity and accuracy co

253 quantitative stenosis and plaque burden from CT angiography significantly improves identification of

254 dent predictors of hematoma expansion were a CT angiography spot sign, a shorter time to CT, warfarin

255 The signal-to-noise ratio of the coronary CT angiography studies acquired with 70 kV was significa

256 Key coronary CT angiography studies have included rigorous meta-analy

257 Corresponding to these 160 CT angiography studies, 113 CT follow-up studies (in 52

258 ho underwent EVAR, 160 computed tomographic (CT) angiography studies revealed type II endoleaks.

259 th the percentage dose reduction greater for CT angiography than for chest CT (P < .001).

260 ho underwent thrombectomy with preprocedural CT angiography that helps to demonstrate a lack of atten

261 Results The later the phase of CT angiography, the higher the frequency of the spot sig

262 In pediatric CT and CT angiography, the use of automated kilovoltage selecti

263 nd 30 minutes after in vivo radiation during CT angiography to compare DNA double-strand-break levels

264 diagnostic accuracy, the use of SPECT/CT and CT angiography to evaluate gastrointestinal bleeding, an

265 acy and reliability of computed tomographic (CT) angiography to distinguish true cervical internal ca

266 image processing, over the next 5-15 years, CT angiography toppled conventional angiography, the und

267 tients who were referred for follow-up chest CT angiography underwent reduced-dose CT (hereafter, T2

268 The effects of enrollment time, CT angiography use, interhospital transfers, and intubat

269 CT angiography usually reveals typical features of CTEPH

270 Differences between coronary CT angiography vendors resulted in lower scan-rescan rep

271 tient analysis of the diagnostic accuracy of CT angiography versus conventional coronary angiography,

272 mpare the diagnostic performance of coronary CT angiography versus that of ICA in each group.

273 CT FFR derived from triple-rule-out CT angiography was a better predictor for coronary revas

274 No CAD at coronary CT angiography was associated with a low annualized MACE

275 ) and graphical volumetric image processing, CT angiography was born 20 years ago.

276 anscranial Doppler and carotid ultrasound if CT angiography was contraindicated.

277 CT angiography was cost-effective when the probability o

278 The net monetary benefit of performing CT angiography was higher in younger patients ($68 950 d

279 Coronary CT angiography was performed by using a 320-detector row

280 CT angiography was performed by using automated attenuat

281 Coronary CT angiography was performed in 107 consecutive patients

282 Baseline coronary CT angiography was performed in 40 prospectively enrolle

283 ness, and multidetector computed tomography (CT) angiography was used to quantify coronary plaque and

284 METHODS: Between 2010 and 2013 intraarterial CT-angiography was performed in 56 patients, including 2

285 circulation on computed tomography (CT) and CT angiography were excluded.

286 core and contrast material-enhanced coronary CT angiography were included.

287 Results from coronary CT angiography were not included, and diagnostic perform

288 Patients CT angiography were reviewed for recording variables suc

289 n corrected (AC) by CT and same-day coronary CT angiography were studied; included in the 392 patient

290 n corrected (AC) by CT and same-day coronary CT angiography were studied; included in the 392 patient

291 erage and weighted temporal variance from 4D CT angiography were used as input for a three-dimensiona

292 ntally during coronary computed tomographic (CT) angiography, which is increasingly being used to eva

293 All patients underwent dynamic CT angiography with 10 unidirectional scan phases, follo

294 ccurate artery and vein segmentation with 4D CT angiography with a processing time of less than 90 se

295 who underwent thoracic CT, abdominal CT, or CT angiography with an automated kilovoltage protocol be

296 c literature search was performed to compare CT angiography with conventional coronary angiography in

297 enrolled and underwent prospective coronary CT angiography with conventional FFR(CT)-derived post ho

298 Conclusion State-of-the-art coronary CT angiography with same-vendor follow-up has good scan-

299 and Analysis of Lausanne registry), who had CT angiography within 6 and 12 hours of symptom onset, w

300 good and was incremental to that of coronary CT angiography within a population with a high prevalenc